David Morris Marks, MD
NPI 1760499933ActiveIndividual· Psychiatry & Neurology, Psychiatry· Chapel Hill, NC
Psychiatry & Neurology, Psychiatry (MD) in Chapel Hill, North Carolina, trained at University of Texas Medical Branch at Galveston (class of 1995). Their prescriptions cost Medicare Part D more than their services did: $525,879 for 6,065 claims, against $62,935 paid for services in 2024. Iti, Inc. (D/B/A Intra-Cellular Therapies, Inc.) was the largest of 20 companies reporting payments in 2025, $1,998 in all, mostly food and beverage.
Overview
| NPI | 1760499933 |
|---|---|
| Status | Active |
| Entity type | Individual |
| Credential | MD |
| Sole proprietor | No |
| NPI issued | Aug 1, 2006 |
| Last updated in NPPES | Mar 10, 2025 |
| Certified by provider | Mar 10, 2025 |
Specialties and licenses
| Taxonomy | Code | License | State |
|---|---|---|---|
| Psychiatry & Neurology, Psychiatry Primary | 2084P0800X | 2006-00885 | NC |
| Psychiatry & Neurology, Neurology | 2084N0400X | 2006-00885 | NC |
| Pain Medicine, Pain Medicine | 208VP0000X | 2006-00885 | NC |
Exclusion screening
| List | Result | Details |
|---|---|---|
| HHS-OIG LEIE · Nov 10, 2026 | No match | Checked by NPI and by name + state |
| North Carolina Medicaid · Nov 11, 2026 | No match | — |
| New York OMIG · Nov 11, 2026 | No match | — |
| Ohio Medicaid · Nov 11, 2026 | No match | — |
| Pennsylvania Medicheck · Nov 11, 2026 | No match | — |
| Washington HCA · Nov 11, 2026 | No match | — |
Official OIG search · How matching works ·Bulk check a roster
Medicare
| Enrollment (PECOS) | Enrolled Practitioner - Psychiatry (NC) |
|---|---|
| Accepts assignment | Yes (participating) |
Medicare services in 2024
| Medicare patients | 156 |
|---|---|
| Services billed | 834 across 36 procedure codes |
| Paid by Medicare | $62,935 |
Part D prescriptions in 2024
| Prescriptions (claims) | 6,065 · 6,809 30-day fills |
|---|---|
| Patients | 410 |
| Total drug cost | $525,879 |
| Generic share | 91% of claims |
Education and affiliations
| Medical school | University of Texas Medical Branch at Galveston |
|---|---|
| Graduation year | 1995 |
| Medicare specialty | Psychiatry |
| Secondary specialties | Pain Management |
| Telehealth | Offers telehealth |
Medical groups
- Avance Care PAChapel Hill, NC · 239 clinicians
- Comprehensive Rehab of Wilson, Inc.Wilson, NC · 111 clinicians
Industry payments (Open Payments)
- 2025$1,998 · 111 payments from 20 companies
- 2024$45.04 · 2 payments from 1 company
Top paying companies in 2025
| Company | Amount | Payments |
|---|---|---|
| Iti, Inc. (D/B/A Intra-Cellular Therapies, Inc.) | $499.91 | 20 |
| Abbvie Inc. | $293.84 | 22 |
| Teva Pharmaceuticals USA, Inc. | $215.51 | 23 |
| Vanda Pharmaceuticals Inc. | $173.14 | 7 |
| Janssen Pharmaceuticals, Inc | $138.05 | 6 |
What the 2025 payments were for
- Food and Beverage$1,998 · 111 payments
Receiving payments does not imply wrongdoing. What Open Payments covers ·original records
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All 247 psychiatrists in Chapel Hill · All psychiatrists in North Carolina